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HomeProductsProduct categoriesStationary metersEX environment > EX monitors Stratos Pro A 201 X

EX monitors Stratos Pro A 201 X

WTW EX monitor Stratos Pro A201xpH-0
WTW EX monitor Stratos Pro A201xpH-0

EX compliant monitor for pH or conductivity, usable in zone 0 IIC T4 and suitable for high ambient temperatures

  • EX certified
  • Color backlighting
  • For high ambient temperatures

You can connect the proven pH and conductivity sensors by WTW to the Stratos Pro EX monitor. In addition to a display with color backlighting, the monitors are equipped with 1 or 2 analog power outputs. This monitor also impresses with its usability in temperatures between -20 °C … 65 °C.


Model Description Order no.
StratosProA201xpH-0 Monitor for pH with 1 analog power output 109 444 EX
StratosProA201xpH-1 Monitor for pH with 2 analog power outputs 109 445 EX
StratosProA201xCond-0 Monitor for conductivity with 1 analog power output 300 944 EX
StratosProA201xCond-1 Monitor for conductivity values with 2 analog power outputs 300 945 EX

Technical Data

Monitor pH Conductivity
Display -2.00 … +16.00 0.000 μS/cm ... 999,9 mS/cm
Outputs 2 outputs, 4 … 20mA ea. (22 mA for error message) _H
Measured types pH or mV or temperature LF, spec. resistance, conc., salinity or temperature
Explosion protection II 1G Ex ia IIC T4 _H
EMV EN 61326-1 _H
LC display Main display, secondary display, text line, Sensoface®, status displays _H


Model Description Order no.
ZU 0274 Pole mounting set for Stratos Pro 109351EX
ZU 0738 Control panel mounting set for Stratos Pro 109353EX
ZU 0737 Protective roof for Stratos Pro 109355EX


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